First Group Blue Livery [code - F1]
all over blue with pink doors and bodyside First Great Western branding...

Class 150 : 150001/002/120/121/123/125-131/209
 

First Group Blue Livery [code - F1]
all over blue with yellow ends and small First Great Western branding...

Class 08 : 08641/645/836

Class 43 : 43002-005/009/010/012/015-037/040-042/053/056/063/069-071/
               078/079/086-088/086-088/091-094/097/098/122/124-156/
               158-165/168-172/174-177/179-183/185-198

Class 57 : 57602/603/605

First Group Dynamic Lines [code - FN]
deep blue base colour, lower bodyside neon 'flashes',
pink doors and First Great Western branding...

Class 165 : 165101-137

Class 166 : 166201-221

First Great Western 'Local Lines' [code - GL]
deep blue base colour, bodyside branding consisting of place names,
pink doors and First Great Western branding...

Class 143 : 143603/611/612/617/618-621

Class 150 : 150219/232-234/238/239/243/244/246-249/261/263/265/266

Class 153 : 153305/318/329/361/368-370/372/373/377/380/382

Class 158 : 158748/763/766/767/769/798/950-959

The Greater Western franchise incorporated three former franchises and many different liveries, they are listed below...